00245nam a2200097Ia 4500008004100000020001800041100001600059245002500075260003700100300001000137250405s9999||||xx |||||||||||||| ||und||  a9788175551329  aSingh, R.K. 0aPustkalya Prabandhan  bUniversity Pub.aNew Delhic2007  a258p.